.greeting-wave {
  display: inline-block;
  transform-origin: 70% 70%;
  animation: wave 2.2s ease-in-out infinite;
}

@keyframes wave {
  0%, 60%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
}

.stat-card:nth-child(1) { animation-delay: 0ms; }
.stat-card:nth-child(2) { animation-delay: 40ms; }
.stat-card:nth-child(3) { animation-delay: 80ms; }
.stat-card:nth-child(4) { animation-delay: 120ms; }

body.modal-open { overflow: hidden; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 180ms ease;
}

.modal-backdrop[hidden] { display: none; }
.modal-backdrop.is-open { opacity: 1; }

.appointment-modal {
  width: min(560px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.22);
  transform: translateY(12px) scale(.985);
  transition: transform 180ms ease;
}

.modal-backdrop.is-open .appointment-modal { transform: translateY(0) scale(1); }

.appointment-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 22px 18px;
  border-bottom: 1px solid var(--color-border-light);
}

.modal-title-group { display: flex; align-items: center; gap: 12px; }
.modal-title-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  color: var(--color-primary); background: var(--color-primary-light);
}
.modal-title-icon .icon { width: 21px; height: 21px; }
.modal-title-group h2 { font-size: 1.05rem; font-weight: 700; }
.modal-title-group p { margin-top: 3px; font-size: .76rem; color: var(--color-text-muted); }
.modal-close {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center; color: var(--color-text-muted);
}
.modal-close:hover { background: var(--color-border-light); color: var(--color-text); }
.modal-close .icon { width: 18px; height: 18px; }

.appointment-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px 22px 22px;
}
.form-field { min-width: 0; }
.form-field-wide { grid-column: 1 / -1; }
.form-field label {
  display: block; margin-bottom: 6px;
  font-size: .76rem; font-weight: 600; color: var(--color-text-secondary);
}
.form-field label span { color: var(--color-danger); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; border: 1px solid var(--color-border); border-radius: 9px;
  padding: 10px 12px; background: #fff; color: var(--color-text);
  font: inherit; font-size: .82rem; outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.form-field textarea { resize: vertical; min-height: 82px; line-height: 1.5; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.appointment-form-actions {
  display: flex; justify-content: flex-end; gap: 10px;
  padding-top: 4px;
}

.appointment-toast {
  position: fixed; right: 24px; bottom: 24px; z-index: 120;
  display: flex; align-items: center; gap: 11px;
  min-width: 300px; padding: 14px 16px;
  background: #fff; border: 1px solid #d7f0df; border-radius: 12px;
  box-shadow: var(--shadow-lg); opacity: 0; transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.appointment-toast[hidden] { display: none; }
.appointment-toast.is-visible { opacity: 1; transform: translateY(0); }
.toast-icon { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--color-success-bg); color: var(--color-success); }
.toast-icon .icon { width: 18px; height: 18px; }
.appointment-toast strong, .appointment-toast span { display: block; }
.appointment-toast strong { font-size: .82rem; }
#appointment-toast-detail { margin-top: 2px; font-size: .7rem; color: var(--color-text-muted); }

@media (max-width: 620px) {
  .modal-backdrop { padding: 12px; align-items: end; }
  .appointment-modal { max-height: calc(100vh - 24px); border-radius: 16px 16px 10px 10px; }
  .appointment-form { grid-template-columns: 1fr; }
  .form-field-wide { grid-column: auto; }
  .appointment-form-actions { flex-direction: column-reverse; }
  .appointment-form-actions .btn { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .modal-backdrop, .appointment-modal, .appointment-toast { transition: none; }
}